On Order Akg Wireless Headset Battery Ni-MH Battery fits Akg, Balance K122ir, Balance K216afc, Balance T216afc 2.4V, 80mAh CS-AKP216SL $27.82 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Ideally both your model number and battery number are listed in the product description if this is the case you can be almost certain that you are ordering the correct battery. If we say it will fit... Add to cart